RAASM: Compatible with medium/high-viscosity oil. NBR seal, aluminum upper body suction tube and carbon steel suction tube. ¼” NPT (f) air inlet connection. ½” NPT (f) fluid outlet connection. 90–120 psi air working pressure. 120 psi air max pressure. Noise level: 81dB. 14-122°F deliverable oil temperature. Max deliverable oil viscosity: 240 SAE. Suction tube length 37”. Suction tube external ø: 1.65”. Suitable for a 55 gal drum, bench tank, etc. 5.50 gpm.